Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A bi-functional apparatus for sensing touch and delivering a haptic signal, the bi-functional apparatus comprising: a first electrode and a second electrode, the first electrode providing a haptic interface for delivering an electrostatic force to a user, the first electrode having a top surface and a bottom surface; a dielectric insulator covering the top surface of the first electrode; and a sensor positioned between the bottom surface of the first electrode and the second electrode, the sensor selectively providing electrical conductivity between the first electrode and the second electrode in response to at least a threshold amount of pressure exerted against the dielectric insulator.
This invention relates to a bi-functional apparatus that combines touch sensing and haptic feedback in a single device. The apparatus addresses the need for compact, integrated solutions that can both detect user input and provide tactile feedback without requiring separate components. The device includes a first electrode with a top and bottom surface, where the top surface is covered by a dielectric insulator. This insulator allows the first electrode to function as a haptic interface, generating an electrostatic force to deliver tactile sensations to a user. Beneath the first electrode, a sensor is positioned between the first electrode and a second electrode. The sensor selectively conducts electricity between the two electrodes when a threshold pressure is applied to the dielectric insulator, enabling touch detection. The integration of sensing and haptic feedback in a single structure reduces complexity and improves responsiveness in interactive systems, such as touchscreens or control panels. The design ensures that the haptic feedback mechanism does not interfere with touch sensing, maintaining accurate input detection while providing immediate tactile responses.
2. The bi-functional apparatus of claim 1 wherein the sensor comprises a quantum tunneling composite.
A bi-functional apparatus is designed to address the need for precise and reliable sensing in environments where conventional sensors fail due to environmental interference or material degradation. The apparatus integrates a quantum tunneling composite sensor, which leverages quantum mechanical effects to detect physical or chemical changes with high sensitivity and accuracy. The quantum tunneling composite consists of a material structure where electrons can tunnel through an energy barrier, enabling detection of minute variations in electrical properties, temperature, pressure, or chemical composition. This sensor technology is particularly useful in harsh conditions, such as high radiation, extreme temperatures, or corrosive environments, where traditional sensors degrade or provide inaccurate readings. The bi-functional nature of the apparatus allows it to perform dual functions, such as simultaneous sensing and actuation, or sensing and data processing, enhancing its versatility in applications like industrial monitoring, medical diagnostics, or aerospace systems. The quantum tunneling composite ensures long-term stability and reliability, reducing maintenance requirements and improving operational efficiency. This innovation overcomes limitations of conventional sensors by providing a robust, high-performance solution for critical sensing applications.
3. The bi-functional apparatus of claim 1 wherein the sensor comprises a photoresistor.
A bi-functional apparatus is designed to perform dual functions, such as sensing and actuating, within a system. The apparatus includes a sensor that detects environmental conditions, such as light levels, and an actuator that responds to those conditions by performing a mechanical or electrical action. The sensor in this apparatus is specifically a photoresistor, which changes its electrical resistance in response to light intensity. This allows the apparatus to adjust its behavior based on ambient light, enabling applications such as automatic lighting control, energy-efficient systems, or adaptive environmental monitoring. The actuator may include components like motors, solenoids, or electronic switches that execute the required response. The integration of a photoresistor ensures precise and responsive light-dependent operation, making the apparatus suitable for environments where light conditions vary. The system may also include control circuitry to process sensor inputs and trigger the actuator accordingly. This design enhances automation and efficiency in applications requiring light-sensitive adjustments.
4. The bi-functional apparatus of claim 1 wherein the sensor comprises a piezoresistor.
A bi-functional apparatus is designed to perform dual functions, such as both sensing and actuating, in a compact system. The apparatus includes a sensor that detects physical parameters like force, pressure, or displacement, and an actuator that responds to these inputs by generating mechanical motion or applying force. The sensor component is integrated with a piezoresistor, which changes its electrical resistance in response to mechanical stress or deformation. This allows the apparatus to convert mechanical inputs into electrical signals for measurement or feedback control. The piezoresistor's sensitivity to strain ensures accurate detection of physical changes, while its compact size enables integration into small-scale systems. The actuator may use piezoelectric, electrostatic, or electromagnetic mechanisms to produce motion based on the sensor's output. This dual functionality reduces the need for separate sensing and actuating components, improving efficiency and reducing system complexity. The apparatus is particularly useful in applications requiring precise control and feedback, such as microelectromechanical systems (MEMS), robotics, and adaptive structures. The piezoresistor enhances the sensor's performance by providing a direct electrical response to mechanical stimuli, enabling real-time monitoring and actuation.
5. The bi-functional apparatus of claim 1 wherein each of the first electrode, the second electrode, the dielectric insulator, and the sensor are substantially transparent.
This invention relates to a bi-functional apparatus combining energy storage and sensing capabilities, particularly for use in transparent applications. The apparatus addresses the need for integrated systems that can both store electrical energy and detect environmental changes without compromising optical transparency, which is critical for applications like smart windows, displays, or wearable devices. The apparatus includes a first electrode, a second electrode, a dielectric insulator, and a sensor. The first and second electrodes are positioned to form an energy storage device, such as a capacitor, while the sensor is integrated to detect external stimuli like light, temperature, or chemical changes. The dielectric insulator separates the electrodes and the sensor, ensuring electrical insulation while maintaining transparency. The bi-functional design allows the apparatus to simultaneously store energy and perform sensing operations, eliminating the need for separate components. All components—including the electrodes, dielectric insulator, and sensor—are substantially transparent, ensuring minimal visual obstruction. This transparency is achieved through the use of transparent conductive materials for the electrodes, such as indium tin oxide (ITO) or graphene, and transparent dielectric materials like polymers or oxides. The sensor may be a photodetector, temperature sensor, or chemical sensor, depending on the application. The apparatus can be fabricated using thin-film deposition techniques, making it suitable for flexible or rigid substrates. This invention enables compact, multi-functional devices that combine energy storage and sensing in a single transparent structure, ideal for applications requiring both optical clarity and electronic functionality.
6. The bi-functional apparatus of claim 1 wherein the sensor has a thickness in a range of about 1 mm or less.
This invention relates to a bi-functional apparatus designed for dual functionality, combining sensing and another operational capability in a compact form. The apparatus includes a sensor with a thickness of about 1 mm or less, enabling integration into space-constrained environments. The sensor is capable of detecting physical, chemical, or environmental parameters, such as temperature, pressure, or chemical composition, while also performing an additional function, such as actuation, energy harvesting, or data processing. The thin sensor design allows for seamless embedding into surfaces, devices, or materials without significantly altering their structural or aesthetic properties. The apparatus may be used in applications like wearable electronics, smart packaging, or industrial monitoring, where space efficiency and multi-functionality are critical. The sensor's compactness ensures minimal interference with the primary function of the host system while providing accurate and reliable measurements. The invention addresses the need for integrated, space-saving solutions that combine sensing with other operational capabilities, enhancing functionality without compromising design constraints.
7. The bi-functional apparatus of claim 6 wherein the first electrode, the second electrode, the dielectric insulator, and the sensor have a combined thickness of about 1 mm or less.
This invention relates to a bi-functional apparatus combining energy storage and sensing capabilities. The apparatus includes a first electrode, a second electrode, a dielectric insulator separating the electrodes, and a sensor integrated within the structure. The sensor detects environmental conditions such as temperature, pressure, or chemical composition. The apparatus functions as both an energy storage device, such as a capacitor, and a sensing device, allowing simultaneous power storage and real-time monitoring. The first and second electrodes are conductive layers, while the dielectric insulator provides electrical insulation between them. The sensor is embedded within the apparatus, enabling direct interaction with the environment. The combined thickness of the first electrode, second electrode, dielectric insulator, and sensor is about 1 mm or less, ensuring compactness and suitability for integration into small-scale or portable applications. This design eliminates the need for separate energy storage and sensing components, reducing overall system size and complexity while maintaining functionality. The apparatus is particularly useful in applications where space is limited, such as wearable electronics, medical devices, or embedded systems.
8. The bi-functional apparatus of claim 1 wherein: the first electrode comprises a plurality of electrodes arranged in a pattern; and the sensor is positioned between the plurality of electrodes and the second electrode.
This invention relates to a bi-functional apparatus combining sensing and actuation functions, addressing the need for compact, integrated devices that can both detect environmental conditions and apply electrical stimuli. The apparatus includes a first electrode, a second electrode, and a sensor positioned between them. The first electrode is composed of multiple smaller electrodes arranged in a specific pattern, enabling localized sensing or stimulation. The sensor detects changes in electrical properties, such as impedance or capacitance, between the patterned electrodes and the second electrode, allowing for environmental monitoring or biological signal detection. The apparatus can function as a sensor to measure parameters like humidity, pressure, or biological activity, while also serving as an actuator to deliver electrical signals for applications such as tissue stimulation or material manipulation. The patterned electrode design enhances spatial resolution and sensitivity, improving the accuracy of measurements and the precision of applied stimuli. This dual functionality reduces the need for separate sensing and actuation components, simplifying system design and reducing size. The invention is particularly useful in medical devices, environmental monitoring systems, and smart materials where compact, multi-functional components are required.
9. The bi-functional apparatus of claim 1 wherein the dielectric insulator and the first electrode are flexible.
This invention relates to a bi-functional apparatus designed for use in flexible electronic devices, addressing the need for adaptable components that can function as both a sensor and an actuator. The apparatus includes a dielectric insulator and a first electrode, both of which are flexible, allowing the device to conform to curved or irregular surfaces. The flexibility of these components enables the apparatus to maintain functionality under mechanical stress, such as bending or stretching, which is critical for applications in wearable electronics, soft robotics, and flexible displays. The dielectric insulator provides electrical insulation while allowing the apparatus to deform without damage. The first electrode, also flexible, interacts with a second electrode to form a capacitive structure. This structure can detect changes in capacitance, enabling sensing applications such as pressure or strain detection. Additionally, by applying a voltage between the electrodes, the apparatus can generate mechanical deformation, functioning as an actuator. The combination of sensing and actuation in a single flexible device reduces complexity and improves integration in compact or conformable systems. The apparatus may include additional layers, such as a substrate or protective coating, to enhance durability and performance. The flexibility of the dielectric and electrode materials ensures that the device remains operational across a wide range of deformations, making it suitable for dynamic environments. This bi-functional design simplifies system integration and expands the potential applications of flexible electronics.
10. The bi-functional apparatus of claim 9 wherein each of the dielectric insulator, the first electrode, the second electrode, and the sensor are flexible.
This invention relates to a bi-functional apparatus designed for use in flexible electronic systems, addressing the need for devices that can both sense environmental conditions and provide electrical functionality while maintaining flexibility. The apparatus includes a dielectric insulator, a first electrode, a second electrode, and a sensor, all of which are flexible to ensure conformability to curved or irregular surfaces. The dielectric insulator electrically isolates the electrodes, while the first and second electrodes form a capacitive or resistive structure capable of detecting changes in environmental parameters such as pressure, temperature, or humidity. The sensor, integrated within the apparatus, further enhances functionality by providing additional data, such as chemical or biological detection. The flexibility of all components ensures the apparatus can be integrated into wearable electronics, flexible displays, or other applications requiring adaptability to dynamic surfaces. The design enables the apparatus to maintain performance under mechanical stress, such as bending or stretching, without compromising sensing accuracy or electrical reliability. This bi-functional approach combines environmental sensing with electrical functionality in a compact, flexible form factor, addressing limitations of rigid or single-purpose devices in emerging flexible electronics applications.
11. The bi-functional apparatus of claim 1 further comprising: a substrate, the substrate comprising a surface, at least a portion of the surface being non-flat; and at least a portion of the second electrode is mounted on a non-flat portion of the surface.
This invention relates to a bi-functional apparatus designed for applications requiring both sensing and actuation functions, particularly in environments where surface irregularities or non-flat geometries are present. The apparatus addresses the challenge of integrating multiple functionalities into a compact device while ensuring reliable performance on uneven surfaces. The apparatus includes a substrate with a surface that is at least partially non-flat, meaning it may have curves, bends, or other deviations from a perfectly planar configuration. A second electrode is mounted on the non-flat portion of the substrate's surface, enabling the apparatus to maintain functionality even when deployed on irregular or flexible substrates. This design is particularly useful in applications such as wearable electronics, flexible sensors, or medical devices where conformability to non-planar surfaces is essential. The bi-functional nature of the apparatus allows it to perform both sensing and actuation tasks. The non-flat substrate ensures that the second electrode remains properly positioned and functional despite surface irregularities, which could otherwise disrupt electrical contact or mechanical stability. This innovation enhances the versatility and reliability of the apparatus in real-world applications where flat surfaces are impractical or unavailable. The apparatus may also include additional components, such as a first electrode and a sensing or actuation mechanism, depending on the specific implementation. The overall design prioritizes adaptability to non-flat surfaces while maintaining performance in both sensing and actuation modes.
12. The bi-functional apparatus of claim 1 further comprising: a power supply in electrical communication with the first electrode, the power supply providing a potential between about 500 V and about 2,000 V.
This invention relates to a bi-functional apparatus designed for both heating and cooling applications, addressing the need for efficient thermal management in industrial or electronic systems. The apparatus includes a first electrode configured to generate a plasma discharge when energized, enabling rapid heating of a target surface. Additionally, the apparatus incorporates a second electrode that facilitates cooling by creating a localized cooling effect through plasma interaction. The power supply provides a high-voltage potential between approximately 500 V and 2,000 V to the first electrode, ensuring sufficient energy for plasma generation while maintaining operational safety. The apparatus may also include a gas inlet to introduce a working gas, such as air or nitrogen, which is ionized to form the plasma. The design allows for precise control over thermal output, making it suitable for applications requiring rapid temperature adjustments, such as semiconductor manufacturing, medical devices, or industrial processing. The bi-functional nature of the apparatus eliminates the need for separate heating and cooling systems, reducing complexity and improving energy efficiency. The high-voltage power supply ensures consistent plasma generation, while the electrode configuration enables both heating and cooling modes without mechanical adjustments. This invention enhances thermal management by integrating plasma-based heating and cooling into a single, compact system.
13. The bi-functional apparatus of claim 12 further comprising: a sensor circuit, the sensor circuit configured to generate an output voltage upon the sensor providing electrical conductivity between the first and second electrodes; and a programmable circuit in communication with the sensor circuit and the power supply, the programmable circuit programmed to receive the output voltage from the sensor circuit and to control the power supply to provide the potential to the first electrode upon the output voltage reaching a threshold value.
This invention relates to a bi-functional apparatus designed for both sensing and power supply functions, addressing the need for integrated systems that can detect environmental conditions and respond by delivering electrical power. The apparatus includes a sensor circuit that generates an output voltage when a sensor provides electrical conductivity between two electrodes. A programmable circuit communicates with the sensor circuit and a power supply, monitoring the output voltage. When the output voltage reaches a predefined threshold, the programmable circuit activates the power supply to deliver a potential to one of the electrodes. This enables the apparatus to transition from a sensing mode to a power delivery mode based on detected conditions, such as the presence of a conductive material or environmental changes. The system ensures efficient and automated control of power delivery in response to real-time sensor data, eliminating the need for manual intervention. The programmable circuit's ability to adjust the threshold and control parameters allows for customization to different applications, enhancing versatility. This integrated approach improves functionality in applications requiring both sensing and power delivery, such as environmental monitoring, industrial processes, or medical devices.
14. The bi-functional apparatus of claim 13 wherein the sensor circuit comprises a voltage divider.
A bi-functional apparatus is designed to perform dual functions, such as sensing and control, in electronic systems. The apparatus includes a sensor circuit configured to detect environmental conditions, such as temperature, pressure, or voltage levels, and a control circuit that processes the sensor data to regulate system operations. The sensor circuit incorporates a voltage divider, which is a resistive network that divides input voltage into a proportional output voltage, enabling precise measurement of electrical parameters. The control circuit uses this measured data to adjust system behavior, such as activating cooling mechanisms, modulating power supply outputs, or triggering safety protocols. The voltage divider in the sensor circuit ensures accurate and stable signal conditioning, improving the reliability of the control functions. This apparatus is particularly useful in applications requiring real-time monitoring and adaptive control, such as industrial automation, automotive systems, and consumer electronics. The integration of sensing and control functions in a single apparatus reduces system complexity and enhances responsiveness to dynamic conditions.
15. A bi-functional apparatus for sensing touch and delivering a haptic signal, the bi-functional apparatus comprising: a first electrode and a second electrode, the first electrode providing a haptic interface for delivering an electrostatic force to a user, the first electrode having a top surface and a bottom surface; a dielectric insulator covering the top surface the first electrode; a sensor positioned between the bottom surface of the first electrode and the second electrode, the sensor selectively providing electrical conductivity between the first electrode and the second electrode in response to at least a threshold amount of pressure exerted against the dielectric insulator, the sensor comprising a quantum tunneling composite; and wherein the first electrode, the second electrode, the dielectric insulator, and the sensor are flexible and have a combined thickness of about 1 mm or less.
This invention relates to a flexible, bi-functional apparatus that combines touch sensing and haptic feedback in a compact form factor. The device addresses the need for thin, responsive interfaces that can both detect user input and provide tactile feedback without requiring separate components. The apparatus consists of two electrodes—a top electrode with a dielectric insulator on its upper surface and a bottom electrode—with a quantum tunneling composite sensor positioned between them. The quantum tunneling composite selectively conducts electricity when pressure exceeds a threshold, enabling touch detection. The top electrode also functions as a haptic interface, delivering electrostatic forces to the user. All components are flexible and collectively measure 1 mm or less in thickness, making the device suitable for integration into wearable or portable electronics. The quantum tunneling composite ensures rapid and precise pressure sensing, while the electrostatic haptic feedback provides immediate tactile responses. This design eliminates the need for bulky or multi-layered systems, improving usability in space-constrained applications.
16. A bi-functional apparatus for sensing touch and delivering a haptic signal, the bi-functional apparatus comprising: a first electrode, a second electrode, and a third electrode, the first electrode providing a haptic interface for delivering an electrostatic force to a user, the first electrode having a top surface and a bottom surface; a dielectric insulator covering the top surface of the first electrode; an electrical insulator positioned between the bottom surface of the first electrode and the second electrode; and a sensor positioned between the second electrode and the third electrode, the sensor selectively proving electrical conductivity between the second electrode and the third electrode in response to at least a threshold amount of pressure exerted against the dielectric insulator.
This invention relates to a bi-functional apparatus that combines touch sensing and haptic feedback in a single device. The apparatus addresses the need for compact, integrated solutions that can both detect user input and provide tactile feedback without requiring separate components. The device includes three electrodes: a first electrode that acts as a haptic interface, a second electrode, and a third electrode. The first electrode delivers an electrostatic force to a user, generating a haptic sensation when activated. A dielectric insulator covers the top surface of the first electrode to protect it and ensure safe interaction with the user. An electrical insulator separates the bottom surface of the first electrode from the second electrode, preventing electrical interference. A sensor is positioned between the second and third electrodes, which selectively allows electrical conductivity between them when a threshold pressure is applied to the dielectric insulator. This pressure-sensitive sensor enables touch detection by completing an electrical path when pressed, while the first electrode independently provides haptic feedback. The design integrates both functions into a single, compact structure, eliminating the need for separate touch and haptic components. This reduces complexity and cost while improving responsiveness and user experience.
17. The bi-functional apparatus of claim 16 wherein the second electrode is grounded, the bi-functional apparatus further comprising: a power supply in electrical communication with the first electrode; a sensor circuit in electrical communication with the third electrode, the sensor circuit configured to generate an output voltage upon the sensor providing electrical conductivity between the first electrode and the second electrode; and a programmable circuit in communication with the power supply and the sensor circuit, the programmable circuit programmed to receive the output voltage from the sensor circuit and to control the power supply to provide a potential to the first electrode upon the output voltage reaching a threshold value.
This invention relates to a bi-functional apparatus designed for both sensing and actuating functions, addressing the need for integrated systems that can detect environmental changes and respond accordingly. The apparatus includes a first electrode, a second electrode, and a third electrode, where the second electrode is grounded. A power supply is connected to the first electrode to provide an electrical potential, while a sensor circuit is connected to the third electrode. The sensor circuit detects electrical conductivity between the first and second electrodes, generating an output voltage when conductivity is present. A programmable circuit monitors this output voltage and controls the power supply to apply a potential to the first electrode when the output voltage exceeds a predefined threshold. This allows the apparatus to transition from a sensing mode to an actuating mode based on detected conditions, enabling automated responses to environmental or operational changes. The system is particularly useful in applications requiring real-time monitoring and adaptive control, such as industrial processes, environmental sensing, or safety systems.
18. The bi-functional apparatus of claim 16 wherein a combined thickness of the first electrode, the second electrode, the third electrode, the dielectric insulators, the electrical insulator, and the sensor is about 1 mm or less.
A bi-functional apparatus integrates multiple components into a compact, thin structure for dual functionality, addressing the need for space-efficient devices that combine sensing and electrical operations. The apparatus includes a first electrode, a second electrode, a third electrode, dielectric insulators, an electrical insulator, and a sensor, all layered together. The first and second electrodes form a capacitor for energy storage or signal processing, while the third electrode and sensor enable additional functionality, such as environmental sensing or user interaction. Dielectric insulators electrically isolate the electrodes, and the electrical insulator prevents short circuits between conductive layers. The combined thickness of all components is approximately 1 mm or less, ensuring minimal spatial footprint while maintaining performance. This design is suitable for applications requiring compact, multi-functional devices, such as wearable electronics, flexible displays, or integrated sensors in constrained environments. The thin profile allows seamless integration into thin-film or flexible substrates without compromising structural integrity or operational efficiency.
19. A method of sensing touch and delivering a haptic signal with a single device, the method comprising: receiving an input at a touch surface of a dielectric insulator layered over a first electrode; in response to receiving the input at the touch surface, increasing electrical conductivity of a sensor positioned between the first electrode and a second electrode; in response to increasing electrical conductivity of the sensor, conducting an electrical current between the first and second electrodes; and in response to conducting an electrical current between the first electrode and the second electrode, applying a haptic drive signal to the first electrode, the haptic drive signal creating an electrostatic force to a user.
The invention relates to a touch-sensing and haptic feedback system integrated into a single device. The technology addresses the need for compact, efficient touch interfaces that also provide tactile feedback without requiring separate components for sensing and actuation. The system includes a dielectric insulator with a touch surface, a first electrode beneath the insulator, a second electrode, and a sensor positioned between the two electrodes. When a user touches the surface, the sensor's electrical conductivity increases, enabling current flow between the electrodes. This current triggers a haptic drive signal applied to the first electrode, generating an electrostatic force that provides tactile feedback to the user. The design eliminates the need for separate touch and haptic mechanisms, reducing complexity and space requirements while maintaining responsiveness. The sensor's conductivity change directly links touch detection to haptic output, ensuring synchronized interaction. This approach is suitable for applications where minimal form factor and integrated functionality are critical, such as wearable devices or compact electronic interfaces.
20. The method of claim 19 wherein: receiving an input at a touch surface comprises receiving a force exerted against the touch surface; and increasing electrical conductivity of the sensor comprises compressing a quantum tunneling composite in response to receiving the force exerted against the touch surface.
This invention relates to touch-sensitive input devices that use quantum tunneling composites (QTCs) to detect and respond to applied force. The problem addressed is the need for highly sensitive, durable, and responsive touch interfaces that can distinguish between different levels of applied force. Traditional touch sensors often rely on capacitive or resistive technologies, which may lack the precision or robustness required for certain applications. The invention describes a method for detecting and processing touch inputs using a QTC-based sensor. The sensor includes a touch surface that, when pressed, compresses the QTC material, increasing its electrical conductivity. This change in conductivity is measured to determine the force applied. The system can then generate an output signal corresponding to the detected force, enabling applications such as variable-pressure touch controls, force-sensitive keyboards, or haptic feedback devices. The method involves receiving a force input at the touch surface, where the force compresses the QTC, altering its electrical properties. The system measures this change in conductivity and processes the signal to determine the applied force. The invention may also include additional steps, such as calibrating the sensor to account for environmental factors or user preferences, ensuring accurate force detection over time. The use of QTCs provides a durable, highly sensitive solution that can operate in various conditions, making it suitable for industrial, medical, or consumer electronics applications.
21. The method of claim 19 wherein: receiving an input at a touch surface comprises receiving a force exerted against the touch surface; and increasing electrical conductivity of the sensor comprises stressing a piezoresistor in response to receiving a force exerted against a touch surface.
This invention relates to touch-sensitive devices that use force-based input detection. The problem addressed is improving the sensitivity and responsiveness of touch interfaces by dynamically adjusting the electrical conductivity of a sensor in response to applied force. The method involves a touch surface that detects force exerted by a user, such as a finger or stylus. When force is applied, a piezoresistor within the sensor is stressed, increasing its electrical conductivity. This change in conductivity enhances the sensor's ability to detect and measure the applied force, providing more accurate and responsive touch input. The system may include additional components, such as a controller that processes the sensor's output to determine the magnitude and location of the applied force. The invention is particularly useful in applications where precise force detection is required, such as in touchscreens, virtual keyboards, or industrial control interfaces. By dynamically adjusting conductivity, the sensor can achieve higher sensitivity without requiring additional hardware, improving both performance and cost-efficiency.
22. The method of claim 19 wherein: receiving an input at the touch surface comprises blocking at least some light from passing though the touch surface and through the first electrode; and increasing electrical conductivity of the sensor comprises blocking at least some light from reaching a photoresistor.
A method for enhancing touch sensitivity in a capacitive touch sensor system addresses the challenge of improving detection accuracy in environments with varying ambient light conditions. The system includes a touch surface, a first electrode, a photoresistor, and a sensor. The touch surface is configured to receive an input, such as a touch or proximity event, which partially blocks light from passing through the touch surface and the first electrode. This light-blocking effect alters the electrical conductivity of the sensor by reducing the amount of light reaching the photoresistor. The photoresistor, which is light-sensitive, adjusts its resistance based on the incident light, thereby influencing the sensor's electrical conductivity. By dynamically modifying the sensor's conductivity in response to the light-blocking input, the system improves touch detection accuracy and reduces false positives caused by ambient light interference. The method ensures reliable operation in diverse lighting conditions by leveraging the interaction between the touch input and the photoresistor's light-dependent resistance. This approach enhances the robustness of capacitive touch sensors in applications where ambient light variability could otherwise degrade performance.
23. The method of claim 19 further comprising deforming the dielectric insulator and the first electrode in response to the force exerted against the touch surface of the dielectric insulator.
A method for touch-sensitive devices involves detecting and responding to mechanical forces applied to a touch surface. The touch surface is part of a dielectric insulator layer positioned adjacent to a first electrode. When a user applies force to the touch surface, the dielectric insulator and the first electrode deform in response. This deformation alters the electrical properties of the device, such as capacitance or resistance, which can be measured to determine the magnitude and location of the applied force. The method may also include generating an electrical signal based on the deformation, which can be used for touch input detection in electronic devices like smartphones, tablets, or touchscreens. The deformation of the dielectric insulator and electrode allows for precise force sensing, enabling applications such as pressure-sensitive touch interfaces or haptic feedback systems. The method may further involve restoring the dielectric insulator and electrode to their original shape after the force is removed, ensuring consistent performance over repeated use. This approach enhances touch sensitivity and responsiveness in electronic devices by leveraging mechanical deformation for accurate force detection.
24. The method of claim 19 wherein the haptic drive signal has a voltage in a range between about 500 V and about 2,000 V.
This invention relates to haptic feedback systems, specifically methods for generating and applying haptic drive signals to create tactile sensations. The technology addresses the challenge of producing high-fidelity haptic feedback with precise control over amplitude and frequency to enhance user experience in devices such as touchscreens, gaming controllers, and virtual reality interfaces. The method involves generating a haptic drive signal with a voltage range between approximately 500 V and 2,000 V. This voltage range is selected to balance power efficiency and performance, ensuring sufficient energy to drive actuators while minimizing energy consumption. The signal may be modulated to produce varying tactile effects, such as vibrations, pulses, or textures, by adjusting parameters like frequency, amplitude, and waveform shape. The system may include a signal generator, an amplifier, and a haptic actuator, where the amplifier boosts the signal to the required voltage level before transmission to the actuator. The actuator converts the electrical signal into mechanical motion, creating the desired haptic sensation. The method may also incorporate feedback mechanisms to dynamically adjust the signal based on user interaction or environmental conditions, improving responsiveness and accuracy. This approach enables more immersive and nuanced haptic feedback in electronic devices.
Unknown
September 17, 2019
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